PubMed:32077659 / 1428-1433
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T228","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok242","span":{"begin":0,"end":5},"obj":"NN"}],"text":"level"}